Home / 1,778,760.17-2,668,091.81-499,378.23

Finding the Fourth Proportional to 1,778,760.17, 2,668,091.81 and 499,378.23

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Solution

The fourth proportional to 1,778,760.17, 2,668,091.81 and 499,378.23 is: 749,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,760.17 : 2,668,091.81 = 499,378.23 : x
  2. Step 2: Convert to fraction form
    1,778,760.17/2,668,091.81 = 499,378.23/x
  3. Step 3: Cross multiply
    1,778,760.17x = 2,668,091.81 × 499,378.23
  4. Step 4: Simplify right side
    1,778,760.17x = 1,332,386,970,977.08
  5. Step 5: Solve for x
    x = 1,332,386,970,977.08/1,778,760.17
  6. Step 6: Final answer
    x = 749,053.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.